Bump the pip group group in /recallm with 1 update

Bumps the pip group group in /recallm with 1 update: [langchain](https://github.com/langchain-ai/langchain).


Updates `langchain` from 0.0.157 to 0.1.11
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@v0.0.157...v0.1.11)

---
updated-dependencies:
- dependency-name: langchain
  dependency-type: direct:production
  dependency-group: pip-security-group
...

Signed-off-by: dependabot[bot] <support@github.com>

recallm/requirements.txt

@@ -1,4 +1,4 @@
-langchain==0.0.157
+langchain==0.1.11
 neo4j
 chromadb==0.3.21
 transformers